AutoCodes – Volkswagen – P1403 Volkswagen

P1403 Volkswagen Code - EGR System Control Difference

Quick Answer

P1403 Volkswagen indicates EGR System Control Difference. Common causes include Faulty EGR Valve, Blocked EGR passages, EGR Valve hose connections. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: P1403 Volkswagen indicates EGR System Control Difference.
Common causes: Common causes include Faulty EGR Valve, Blocked EGR passages, EGR Valve hose connections.
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

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Code Popularity 18,106

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 19, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1403 Volkswagen Description

OBDII Code P1403 Volkswagen - EGR System Control Difference - AutoCodes.com — P1403 Volkswagen Code - EGR System Control Difference

What does this mean?

What are the Possible Causes of the DTC P1403 Volkswagen?

Faulty EGR Valve
Blocked EGR passages
EGR Valve hose connections
EGR Valve harness is ope or shorted
EGR Valve circuit poor electrical connection

How to Fix the DTC P1403 Volkswagen?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1403 Volkswagen code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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Need more information on how to fix the P1403 Volkswagen code? Get Access to Factory Service Manuals

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1403 Volkswagen Code

1. What are the common symptoms of OBDII code P1403 in a Volkswagen related to the EGR system?

The common symptoms include rough idling, engine hesitation, decreased fuel efficiency, and the illumination of the Check Engine Light.

2. What is the main cause of OBDII code P1403 in a Volkswagen EGR system?

The main cause of this code is a malfunction in the EGR system control difference, which can be triggered by issues with the EGR valve, solenoid, or related sensors.

3. How can I diagnose the OBDII code P1403 in my Volkswagen EGR system?

Diagnosis typically involves using an OBDII scanner to retrieve the specific fault code, followed by inspecting the EGR valve, solenoid, and associated wiring for any signs of damage or malfunction.

4. Can a dirty EGR valve cause OBDII code P1403 in a Volkswagen?

Yes, a dirty or clogged EGR valve can disrupt the proper operation of the EGR system and potentially trigger code P1403 in a Volkswagen.

5. What are some repair tips for resolving OBDII code P1403 in a Volkswagen related to the EGR system?

Some repair tips include cleaning or replacing the EGR valve, checking and repairing any damaged wiring or connectors, and ensuring proper functioning of the EGR solenoid.

6. Is it safe to continue driving my Volkswagen with OBDII code P1403 related to the EGR system?

It is not recommended to continue driving with this code unresolved, as it can lead to further engine performance issues and potentially cause damage to other components over time.

7. Can a faulty EGR solenoid trigger OBDII code P1403 in a Volkswagen?

Yes, a faulty EGR solenoid can disrupt the control of the EGR system, leading to the triggering of code P1403 in a Volkswagen.

8. How important is it to address OBDII code P1403 in a Volkswagen promptly?

It is important to address this code promptly to prevent potential engine performance issues, decreased fuel efficiency, and further damage to the EGR system components.

9. Are there any preventive maintenance measures to avoid OBDII code P1403 in a Volkswagen EGR system?

Regularly servicing and cleaning the EGR system components, such as the valve and solenoid, can help prevent issues that may trigger code P1403 in a Volkswagen.

10. Can a disconnected or damaged vacuum hose cause OBDII code P1403 in a Volkswagen EGR system?

Yes, a disconnected or damaged vacuum hose connected to the EGR system can cause disruptions in the system's operation and potentially trigger code P1403 in a Volkswagen.